Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 4: Specific principles for shutoff devices as penstocks, sluice gates, stoplogs etc.
Machines for mechanical processing of minerals and similar solid materials - Safety - Part 5: Specific requirements for cleaning, recycling, sorting and mud treatment machinery; German version EN 1009-5:2020
Machines for surface cleaning and pre-treatment of industrial items using liquids or vapours - Part 2: Safety of machines using water based cleaning liquids; German version EN 12921-2:2005+A1:2008
Machines for surface cleaning and pre-treatment of industrial items using liquids or vapours - Part 3: Safety of machines using flammable cleaning liquids; German version EN 12921-3:2005+A1:2008
Machines and plants for the manufacture, treatment and processing of flat glass - Safety requirements - Part 9: Washing installations; German version EN 13035-9:2006+A1:2010